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High chroma, clean blue shade with excellent batch-to-batch color consistency.
Optimized for low-viscosity aqueous systems with superior dispersion stability.
Good lightfastness and thermal stability up to 180 °C for short-term processing.
Free of heavy metals, APEOs, and REACH-compliant for regulated markets.
Easy integration into water-based inks, coatings, and adhesives without pre-wetting.
Water-based gravure and flexographic printing inks for packaging.
Architectural and industrial waterborne coatings (e.g., interior wall paints).
Textile pigment printing pastes for cotton and blended fabrics.
Adhesives and sealants requiring transparent-to-translucent blue tinting.
Plastic masterbatches for polyolefins and PVC (when used with appropriate carrier compatibility).
| Chemical Type | Organic pigment dispersion (C.I. Pigment Blue 15:3 based) |
| Product Form | Liquid color paste, aqueous dispersion |
| Appearance | Homogeneous bluish liquid, free from visible particles or gel |
| Primary Applications | Water-based inks, coatings, textiles, adhesives |
| Key Features | Low VOC, non-ionic surfactant stabilized, pH 7.5–8.5 |
| Benefits | Reduced filtration time, high tinctorial strength, low foaming |
| Storage Stability | 12 months at 5–30 °C in sealed original container |
| Compatible Solvents | Water, glycol ethers, low-molecular-weight alcohols (e.g., ethanol, isopropanol) |
Q1: What types of polymer systems is Colanyl Blue A2R 131 VP 3245 compatible with?
A: This pigment paste is specifically formulated for use in polyolefins (e.g., PP and PE), as well as engineering thermoplastics such as ABS, PS, and certain polyamides. Compatibility should always be verified under actual processing conditions due to variations in resin grades and additives.
Q2: How stable is the colorant during high-temperature processing, such as injection molding or extrusion?
A: Colanyl Blue A2R 131 VP 3245 exhibits good thermal stability up to typical polyolefin processing temperatures (generally ≤ 260 °C). Its performance remains consistent across standard melt-processing cycles, though extended residence times at peak temperature may affect hue intensity and require dosage adjustment.
Q3: Is this color paste suitable for applications requiring food-contact compliance?
A: Colanyl Blue A2R 131 VP 3245 is designed for industrial and non-food-contact applications. It is not pre-certified for food-contact use; customers intending such applications must conduct full regulatory evaluation—including migration testing and formulation review—based on their specific end-use and regional requirements.
Q4: What is the recommended dosage range for achieving strong blue shades in polypropylene?
A: Typical usage levels range from 0.1% to 2% by weight in polypropylene, depending on desired shade depth, base resin whiteness, and processing method. Lower concentrations are often sufficient for medium-to-dark blues due to the high tinctorial strength of this paste.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
